FROM node:20-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci

FROM node:20-alpine AS builder
WORKDIR /app
# NEXT_PUBLIC_* values are inlined into the client bundle at build time —
# pass the real API URL here or the app will call localhost.
ARG NEXT_PUBLIC_API_URL=http://localhost:8080/api
ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
ARG NEXT_PUBLIC_SITE_URL=https://shodh.net
ENV NEXT_PUBLIC_SITE_URL=$NEXT_PUBLIC_SITE_URL
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
EXPOSE 3000
CMD ["node", "server.js"]
